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/*
* util.h - shared utility layer for rawnix.org package tools
* https://rawnix.org
*
* Copyright (c) 2025 zorz@gmx.com
* SPDX-License-Identifier: BSD-2-Clause
*/
#ifndef UTIL_H
#define UTIL_H
#include <stddef.h>
#include <sys/types.h>
#include <sys/stat.h>
/* ── Version ────────────────────────────────────────────────────────── */
#define MKPKG_VERSION "1.6.2"
/* ── Compile-time limits ─────────────────────────────────────────────── */
#define PATH_MAX_LEN 4096 /* max filesystem path length */
#define LINE_MAX_LEN 8192 /* max line in any config or script file */
#define CMD_MAX_LEN 8192 /* max shell command string */
/* ── Package database ────────────────────────────────────────────────── */
#define PKG_DBDIR "/var/lib/pkg"
#define PKG_DBFILE "db"
#define PKG_DEPSFILE "deps.db" /* maintained by pkg(8) */
#define PKG_METADIR "var/lib/pkg/meta" /* relative to root */
/* ── Port tree ───────────────────────────────────────────────────────── */
#define PORTS_CONF_DIR "/etc/ports"
#define TRUSTED_KEYS_DIR "/etc/ports/keys" /* trusted signify *.pub */
#define PORTS_PATH "/ports/core:/usr/ports"
/* Package filename format: name#version.pkg.tar.gz */
#define PKG_EXT ".pkg.tar."
#define PKG_DELIM '#'
/* ── Error codes ─────────────────────────────────────────────────────── */
#define E_OK 0
#define E_GENERAL 1
#define E_PKGFILE 2
#define E_DIR_PERM 3
#define E_DOWNLOAD 4
#define E_UNPACK 5
#define E_CHECKSUM 6
#define E_FOOTPRINT 7
#define E_BUILD 8
#define E_INSTALL 9
#define E_SIGNATURE 10
/* ── Dynamic string array ────────────────────────────────────────────── */
typedef struct {
char **items;
size_t count;
size_t capacity;
int sorted;
} strarray_t;
strarray_t *strarray_new(void);
void strarray_free(strarray_t *a);
int strarray_add(strarray_t *a, const char *s);
int strarray_contains(const strarray_t *a, const char *s);
int strarray_remove(strarray_t *a, const char *s);
void strarray_sort(strarray_t *a);
/* ── Allocation — abort on OOM, never return NULL ───────────────────── */
void *xmalloc(size_t size);
void *xrealloc(void *ptr, size_t size);
char *xstrdup(const char *s);
/* ── String utilities ────────────────────────────────────────────────── */
char *str_trim(char *s); /* in-place trim */
int str_starts_with(const char *s, const char *pfx);
int str_ends_with(const char *s, const char *sfx);
/* ── Path utilities ──────────────────────────────────────────────────── */
/*
* path_join: allocate and return "dir/file".
* Caller must free() the result.
* Handles trailing slash on dir and leading slash on file.
* Calls err(1,...) on OOM — never returns NULL.
*/
char *path_join(const char *dir, const char *file);
/*
* mkdirp: create directory and all parents, like mkdir -p.
* Returns 0 on success, -1 on error (errno set).
*/
int mkdirp(const char *path, mode_t mode);
/*
* file_exists: return 1 if path exists (lstat), 0 otherwise.
*/
int file_exists(const char *path);
/*
* rmrf: remove a directory tree recursively.
* More robust than system("rm -rf ...").
* Returns 0 on success, -1 on error.
*/
int rmrf(const char *path);
/* ── Output ──────────────────────────────────────────────────────────── */
/*
* Two output tiers:
*
* info(fmt, ...) — informational, prefix "mkpkg: " to stdout
* warning(fmt, ...) — warnings, prefix "mkpkg: warning: " to stderr
* die(fmt, ...) — fatal error, prefix "mkpkg: error: " to stderr, exit(1)
*
* The error() function is intentionally NOT exported — each source file
* defines its own static error() to keep the prefix consistent.
* Use die() when the error is immediately fatal.
*/
/*
* Trust anchor for port signatures. `keytext` is a signify public key
* as carried in a MAKEPKG signify() block ("untrusted comment: ..."
* line + base64 line). If its base64 key equals the key of some
* TRUSTED_KEYS_DIR/<name>.pub, writes that file's path to `path` and
* returns 0 — callers hand THAT file to `signify -p`, never the key
* from MAKEPKG. Returns -1 when the key is absent or untrusted.
*/
int signify_trusted_pubkey(const char *keytext, char *path, size_t pathsz);
void info(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
void warning(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
void die(const char *fmt, ...) __attribute__((format(printf, 1, 2), noreturn));
#endif /* UTIL_H */
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